Acquisitions Acquisitions Summary of Purchase Price Allocation (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012
Current assets:
Accounts receivable	$ 3,638
Inventories	5,062
Prepaid and other current assets	140
Total current assets	8,840
Property, plant and equipment	4,702
Goodwill	2,477
Intangible assets	8,939
Total assets	24,958
Current liabilities:
Accounts payable	1,816
Accrued liabilities	705
Current maturities of long-term debt	14
Total current liabilities	2,535
Long-term debt	77
Total liabilities	2,612
Investment	22,346
Total liabilities and equity	$ 24,958

Business Acquisition, Purchase Price Allocation, Equity

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- Definition

Business Acquisition, Purchase Price Allocation, Liabilities Assumed and Equity

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The amount of acquisition cost of a business combination allocated to an identifiable intangible asset that will be amortized.

+ References

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- Definition

The amount of acquisition cost of a business combination allocated to assets acquired.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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The amount of acquisition cost of a business combination allocated to current assets.

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- Definition

The amount of acquisition cost of a business combination allocated to inventory, including finished goods, work-in-process, and raw materials.

+ References

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- Definition

The amount of acquisition cost of a business combination allocated to prepaid expenses and other current assets. Does not include amounts allocated to cash and cash equivalents, marketable securities, receivables, inventory, and assets not to be used.

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- Definition

The amount of acquisition cost of a business combination allocated to receivables.

+ References

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- Definition

The amount of acquisition cost of a business combination allocated to current liabilities of the acquired entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Statement of Financial Accounting Standard (FAS)

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-Publisher FASB

-Name Emerging Issues Task Force (EITF)

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The amount of acquisition cost of a business combination allocated to accounts payable of the acquired entity.

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The amount of acquisition cost of a business combination allocated to accrued expenses of the acquired entity.

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The amount of acquisition cost of a business combination allocated to the current portion of long-term debt of the acquired entity.

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- Definition

Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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The amount of acquisition cost of a business combination allocated to liabilities assumed.

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-Publisher FASB

-Name Emerging Issues Task Force (EITF)

-Number 98-1

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-Name Statement of Financial Accounting Standard (FAS)

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The amount of acquisition cost of a business combination allocated to the noncurrent portion of the long-term debt assumed from the acquired entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph e

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Emerging Issues Task Force (EITF)

-Number 98-1

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Name Statement of Financial Accounting Standard (FAS)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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The amount of acquisition cost of a business combination allocated to property, plant and equipment to be used in ongoing operations.

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